1 to 25 of 49 Penetration Tester Jobs in the South East

Penetration Tester CTM Level - Wokingham, UK Key Points Up to £470 per day, 7-month contract Hybrid model, 3 days onsite and 2 remote Seeking a Penetration Tester at CTM level with strong consultancy skills Active SC Clearance required About the Client Our client … range of technical services that help strengthen critical digital operations. With growing demand across their security programmes, they are now searching for an experienced Penetration Tester to join their established team. The Benefits Exposure to varied testing engagements Collaborative and supportive technical environment Opportunity to deliver high impact ...

Penetration Tester - SC CLEARED - Wokingham, Berkshire and remote - 5 months+ - START: JANUARY/FEBRUARY (Tester, Test, Testing, Test Analyst, Test Engineer, Test Specialist, Security, AWS, Azure, Cloud, Crest, CyberScheme) One of our Blue Chip Clients is urgently looking for an SC Cleared Penetration Tester. Please find … some details below: CONTRACTOR MUST HOLD ACTIVE SC CLEARANCE MUST BE PAYE THROUGH UMBRELLA Role Description: A penetration tester plays a vital role within the UK's cybersecurity industry, particularly when assisting organisations with managing and mitigating security risks. The core responsibilities of a penetration tester ...

Penetration Tester Are you an ambitious cybersecurity professional with a passion for uncovering vulnerabilities and strengthening digital defences? Join Ultima’s Security Testing Practice as a Penetration Tester and play a key role in protecting our clients’ critical systems. Working alongside experienced consultants, you’ll deliver … high-quality penetration testing engagements, contribute to continuous improvement, and grow your expertise in a collaborative, knowledge-sharing environment. What you’ll be doing Sharpen Your Skills, Strengthen Our Security Maintain your penetration testing qualifications and continue developing your technical expertise in line with business and client needs. ...

Title: Penetration Tester (CHECK Team Member) Location: UK (Hybrid/Remote) Experience: 1–3 years Eligibility: UK National (must be eligible for security clearance) About the Role: We're looking for a Penetration Tester (CHECK Team Member) to join our growing cybersecurity team. You'll conduct … network, web, and application security testing for a range of clients, helping identify vulnerabilities and strengthen defences. Key Responsibilities Deliver high-quality penetration tests and vulnerability assessments. Produce clear, actionable reports and remediation guidance. Support CHECK-accredited engagements and collaborate with senior testers. Stay current with new exploits, tools ...

Title: Penetration Tester (CHECK Team Member) Location: UK (Hybrid/Remote) Experience: 1–3 years Eligibility: UK National (must be eligible for security clearance) About the Role: We're looking for a Penetration Tester (CHECK Team Member) to join our growing cybersecurity team. You'll conduct … network, web, and application security testing for a range of clients, helping identify vulnerabilities and strengthen defences. Key Responsibilities Deliver high-quality penetration tests and vulnerability assessments. Produce clear, actionable reports and remediation guidance. Support CHECK-accredited engagements and collaborate with senior testers. Stay current with new exploits, tools ...

Title: Penetration Tester (CHECK Team Member) Location: UK (Hybrid/Remote) Experience: 1–3 years Eligibility: UK National (must be eligible for security clearance) About the Role: We're looking for a Penetration Tester (CHECK Team Member) to join our growing cybersecurity team. You'll conduct … network, web, and application security testing for a range of clients, helping identify vulnerabilities and strengthen defences. Key Responsibilities Deliver high-quality penetration tests and vulnerability assessments. Produce clear, actionable reports and remediation guidance. Support CHECK-accredited engagements and collaborate with senior testers. Stay current with new exploits, tools ...

Title: Penetration Tester (CHECK Team Member) Location: UK (Hybrid/Remote) Experience: 1–3 years Eligibility: UK National (must be eligible for security clearance) About the Role: We're looking for a Penetration Tester (CHECK Team Member) to join our growing cybersecurity team. You'll conduct … network, web, and application security testing for a range of clients, helping identify vulnerabilities and strengthen defences. Key Responsibilities Deliver high-quality penetration tests and vulnerability assessments. Produce clear, actionable reports and remediation guidance. Support CHECK-accredited engagements and collaborate with senior testers. Stay current with new exploits, tools ...

Title: Penetration Tester (CHECK Team Member) Location: UK (Hybrid/Remote) Experience: 1–3 years Eligibility: UK National (must be eligible for security clearance) About the Role: We're looking for a Penetration Tester (CHECK Team Member) to join our growing cybersecurity team. You'll conduct … network, web, and application security testing for a range of clients, helping identify vulnerabilities and strengthen defences. Key Responsibilities Deliver high-quality penetration tests and vulnerability assessments. Produce clear, actionable reports and remediation guidance. Support CHECK-accredited engagements and collaborate with senior testers. Stay current with new exploits, tools ...

Title: Penetration Tester (CHECK Team Member) Location: UK (Hybrid/Remote) Experience: 1–3 years Eligibility: UK National (must be eligible for security clearance) About the Role: We're looking for a Penetration Tester (CHECK Team Member) to join our growing cybersecurity team. You'll conduct … network, web, and application security testing for a range of clients, helping identify vulnerabilities and strengthen defences. Key Responsibilities Deliver high-quality penetration tests and vulnerability assessments. Produce clear, actionable reports and remediation guidance. Support CHECK-accredited engagements and collaborate with senior testers. Stay current with new exploits, tools ...

Title: Penetration Tester (CHECK Team Member) Location: UK (Hybrid/Remote) Experience: 1–3 years Eligibility: UK National (must be eligible for security clearance) About the Role: We're looking for a Penetration Tester (CHECK Team Member) to join our growing cybersecurity team. You'll conduct … network, web, and application security testing for a range of clients, helping identify vulnerabilities and strengthen defences. Key Responsibilities Deliver high-quality penetration tests and vulnerability assessments. Produce clear, actionable reports and remediation guidance. Support CHECK-accredited engagements and collaborate with senior testers. Stay current with new exploits, tools ...

Title: Penetration Tester (CHECK Team Member) Location: UK (Hybrid/Remote) Experience: 1–3 years Eligibility: UK National (must be eligible for security clearance) About the Role: We're looking for a Penetration Tester (CHECK Team Member) to join our growing cybersecurity team. You'll conduct … network, web, and application security testing for a range of clients, helping identify vulnerabilities and strengthen defences. Key Responsibilities Deliver high-quality penetration tests and vulnerability assessments. Produce clear, actionable reports and remediation guidance. Support CHECK-accredited engagements and collaborate with senior testers. Stay current with new exploits, tools ...

Title: Penetration Tester (CHECK Team Member) Location: UK (Hybrid/Remote) Experience: 1–3 years Eligibility: UK National (must be eligible for security clearance) About the Role: We're looking for a Penetration Tester (CHECK Team Member) to join our growing cybersecurity team. You'll conduct … network, web, and application security testing for a range of clients, helping identify vulnerabilities and strengthen defences. Key Responsibilities Deliver high-quality penetration tests and vulnerability assessments. Produce clear, actionable reports and remediation guidance. Support CHECK-accredited engagements and collaborate with senior testers. Stay current with new exploits, tools ...

Title: Penetration Tester (CHECK Team Member) Location: UK (Hybrid/Remote) Experience: 1–3 years Eligibility: UK National (must be eligible for security clearance) About the Role: We're looking for a Penetration Tester (CHECK Team Member) to join our growing cybersecurity team. You'll conduct … network, web, and application security testing for a range of clients, helping identify vulnerabilities and strengthen defences. Key Responsibilities Deliver high-quality penetration tests and vulnerability assessments. Produce clear, actionable reports and remediation guidance. Support CHECK-accredited engagements and collaborate with senior testers. Stay current with new exploits, tools ...

Penetration Tester - Legal Sector (OT/Live Systems) £750 Per Day Inside IR35 Location: Canary Wharf | 5 days on-site We're looking for an experienced Penetration Tester with proven law/legal sector experience to operate in a high-risk, high-sensitivity environment. This role … fully on-site and involves OT penetration testing on live production systems . You will: Perform penetration testing across IT and OT environments , including live legal systems Safely test operational technology and production platforms without business disruption Assess risk in line with legal, regulatory and client confidentiality requirements ...

Penetration Tester £55,000 - 65,000 GBP Hybrid WORKING Location: Central London, Greater London - United Kingdom Type: Permanent Role: Pen Tester Location: London Salary: 55K - 65K Working Pattern: Hybrid The Opportunity: We are looking for an experienced Pen Tester to join a global Cyber Technical Services … will be responsible for delivering comprehensive security testing engagements, applying your expertise to safeguard vital systems. What You Will Do as a Pen Tester: Lead end-to-end security testing projects including scoping, execution, and reporting Conduct application, infrastructure, and intelligence-led tests to identify vulnerabilities Produce clear technical ...

CHECK-Certified Penetration Tester – UK (Remote) | BreachLock BreachLock is a global leader in Continuous Attack Surface Discovery and Penetration Testing. Our AI-enhanced PTaaS and Adversarial Exposure Validation platforms deliver evidence-based risk insights for enterprises worldwide. We are expanding our UK offensive security team and hiring … CHECK-certified Penetration Tester to support our growing portfolio of government and enterprise clients. Eligibility Requirement (Important) You must already have the legal right to work in the United Kingdom and be physically residing in the UK. BreachLock cannot provide visa sponsorship for this role. What ...

CHECK-Certified Penetration Tester – UK (Remote) | BreachLock BreachLock is a global leader in Continuous Attack Surface Discovery and Penetration Testing. Our AI-enhanced PTaaS and Adversarial Exposure Validation platforms deliver evidence-based risk insights for enterprises worldwide. We are expanding our UK offensive security team and hiring … CHECK-certified Penetration Tester to support our growing portfolio of government and enterprise clients. Eligibility Requirement (Important) You must already have the legal right to work in the United Kingdom and be physically residing in the UK. BreachLock cannot provide visa sponsorship for this role. What ...

CHECK-Certified Penetration Tester – UK (Remote) | BreachLock BreachLock is a global leader in Continuous Attack Surface Discovery and Penetration Testing. Our AI-enhanced PTaaS and Adversarial Exposure Validation platforms deliver evidence-based risk insights for enterprises worldwide. We are expanding our UK offensive security team and hiring … CHECK-certified Penetration Tester to support our growing portfolio of government and enterprise clients. Eligibility Requirement (Important) You must already have the legal right to work in the United Kingdom and be physically residing in the UK. BreachLock cannot provide visa sponsorship for this role. What ...

CHECK-Certified Penetration Tester – UK (Remote) | BreachLock BreachLock is a global leader in Continuous Attack Surface Discovery and Penetration Testing. Our AI-enhanced PTaaS and Adversarial Exposure Validation platforms deliver evidence-based risk insights for enterprises worldwide. We are expanding our UK offensive security team and hiring … CHECK-certified Penetration Tester to support our growing portfolio of government and enterprise clients. Eligibility Requirement (Important) You must already have the legal right to work in the United Kingdom and be physically residing in the UK. BreachLock cannot provide visa sponsorship for this role. What ...

CHECK-Certified Penetration Tester – UK (Remote) | BreachLock BreachLock is a global leader in Continuous Attack Surface Discovery and Penetration Testing. Our AI-enhanced PTaaS and Adversarial Exposure Validation platforms deliver evidence-based risk insights for enterprises worldwide. We are expanding our UK offensive security team and hiring … CHECK-certified Penetration Tester to support our growing portfolio of government and enterprise clients. Eligibility Requirement (Important) You must already have the legal right to work in the United Kingdom and be physically residing in the UK. BreachLock cannot provide visa sponsorship for this role. What ...

CHECK-Certified Penetration Tester – UK (Remote) | BreachLock BreachLock is a global leader in Continuous Attack Surface Discovery and Penetration Testing. Our AI-enhanced PTaaS and Adversarial Exposure Validation platforms deliver evidence-based risk insights for enterprises worldwide. We are expanding our UK offensive security team and hiring … CHECK-certified Penetration Tester to support our growing portfolio of government and enterprise clients. Eligibility Requirement (Important) You must already have the legal right to work in the United Kingdom and be physically residing in the UK. BreachLock cannot provide visa sponsorship for this role. What ...

CHECK-Certified Penetration Tester – UK (Remote) | BreachLock BreachLock is a global leader in Continuous Attack Surface Discovery and Penetration Testing. Our AI-enhanced PTaaS and Adversarial Exposure Validation platforms deliver evidence-based risk insights for enterprises worldwide. We are expanding our UK offensive security team and hiring … CHECK-certified Penetration Tester to support our growing portfolio of government and enterprise clients. Eligibility Requirement (Important) You must already have the legal right to work in the United Kingdom and be physically residing in the UK. BreachLock cannot provide visa sponsorship for this role. What ...

CHECK-Certified Penetration Tester – UK (Remote) | BreachLock BreachLock is a global leader in Continuous Attack Surface Discovery and Penetration Testing. Our AI-enhanced PTaaS and Adversarial Exposure Validation platforms deliver evidence-based risk insights for enterprises worldwide. We are expanding our UK offensive security team and hiring … CHECK-certified Penetration Tester to support our growing portfolio of government and enterprise clients. Eligibility Requirement (Important) You must already have the legal right to work in the United Kingdom and be physically residing in the UK. BreachLock cannot provide visa sponsorship for this role. What ...

CHECK-Certified Penetration Tester – UK (Remote) | BreachLock BreachLock is a global leader in Continuous Attack Surface Discovery and Penetration Testing. Our AI-enhanced PTaaS and Adversarial Exposure Validation platforms deliver evidence-based risk insights for enterprises worldwide. We are expanding our UK offensive security team and hiring … CHECK-certified Penetration Tester to support our growing portfolio of government and enterprise clients. Eligibility Requirement (Important) You must already have the legal right to work in the United Kingdom and be physically residing in the UK. BreachLock cannot provide visa sponsorship for this role. What ...

Cleared Pentester Contract - 6 Months Rolling - Hybrid Reading - £515 PD Inside IR35 We're seeking a skilled Penetration Tester for a 6 month rolling contract starting in the New Year. The role is hybrid (3 days on site, 2 days remote) at a client site near Reading. … quality reports with clear remediation recommendations, and contributing to broader security consultancy projects. Essential requirements: Active SC clearance Proven 2 or 3 years in penetration testing CHECK Team Member (CTM) qualification (CREST or CyberScheme) Strong experience with Azure cloud pentesting (plus AWS is a bonus) Proficiency in penetration ...